import axios from 'axios'
import { MessageBox, Message } from 'element-ui'
import store from '@/store'
import { getToken, getUsername, removeToken } from '@/utils/auth'

// create an axios instance
const service = axios.create({
  baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 5000, // request timeout,
  withCredentials: true
})

// request interceptor
service.interceptors.request.use(
  config => {
    // do something before request is sent
    if (store.getters.token) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      config.headers['X-Token'] = getToken()
      config.headers['username'] = getUsername()
    }
    return config
  },
  error => {
    // do something with request error
    return Promise.reject(error)
  }
)

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
  */
  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {

    const res = response.data

    // if the custom code is not 20000, it is judged as an error.
    if (res.code !== 20000) {

      console.log(res)

      if (res.code === 603) {
        removeToken()
        Message({
          message: '登录失效，请重新登录',
          type: 'error',
          duration: 5 * 1000
        })
      }

      if (res.code === 50000) {
        Message({
          message: res.message,
          type: 'error',
          duration: 5 * 1000
        })
      }

      return Promise.reject(new Error(res.data.message || '请求错误'))
    } else {
      return res
    }
  },
  error => {
    Message({
      message: '网络错误，请稍后重试',
      type: 'warning',
      duration: 5 * 1000
    })
    return Promise.reject(error)
  }
)

export default service
